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Mechanical behavior and failure of sandwich structures

Mechanical behavior and failure of sandwich structures

The failure behavior of composite sandwich beams under three- and four-point bending was studied. The beams were made of unidirectional carbon/epoxy facings and various core materials including PVC closed-cell foams, a polyurethane foam and an aluminum honeycomb. Various failure modes including fa...

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Bibliographic Details
Main Author: Gdoutos, Е.
Format: Article
Language:English
Published: Інститут електрозварювання ім. Є.О. Патона НАН України 2013
Series:Автоматическая сварка
Subjects:
Пленарные доклады Международной конференции
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/103236
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Summary:The failure behavior of composite sandwich beams under three- and four-point bending was studied. The beams were made of unidirectional carbon/epoxy facings and various core materials including PVC closed-cell foams, a polyurethane foam and an aluminum honeycomb. Various failure modes including facing wrinkling, indentation failure and core failure were observed and compared with analytical predictions. It was established that the initiation, propagation and interaction of failure modes depend on the type of loading, constituent material properties and geometrical dimensions.

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